Put the old bax by the new box both set up. Let her just get used to it being around she been taught to pee in one box you are now asking her to break your rules and pee in something else.
then once she gets use to seeing it put hte old in the new for a fe days the remove the old one.
JL
__________________
"The truth about an animal is far more beautiful than all the myths woven about it." Konrad Loranz |